The unsprung weight then responds to this force with movement of its own.
Carbon ceramic brakes are standard, to the benefit of fade resistance and unsprung weight.
This performance also encouraged the reduction of unsprung weight.
Live axle is simpler but the unsprung weight contributes to wheel bounce.
A serious design fault in these locomotives was their very high unsprung weight of 33 tons.
Coil springs contribute to unsprung weight; the less there is, the more quickly the wheel can respond at a given spring rate.
By removing a good deal of unsprung weight, as independent rear suspensions do, it made them last longer.
The system minimises the impact on rail tracks due to the reduction in the overall unsprung weight.
The optional cast aluminum wheels were finally made available which reduced the unsprung weight of the car by 32 pounds.
The front brakes were mounted inboard, reducing the unsprung weight.